Oscillatory integrals with variable Calderón-Zygmund kernel on vanishing generalized Morrey spaces

V. S. Guliyev, A. Ahmadli, S. E. Ekincioglu

In this paper, the authors investigate the boundedness of the oscillatory singular integrals with variable Calderón-Zygmund kernel on generalized Morrey spaces $M^{p,\varphi}(\Rn)$ and the vanishing generalized Morrey spaces $VM^{p,\varphi}(\Rn)$. When $1< p<\infty$ and $(\varphi_1,\varphi_2)$ satisfies some conditions, we show that the oscillatory singular integral operators $T_{\lambda}$ and $T_{\lambda}^{*}$ are bounded from $M^{p,\varphi_1}(\Rn)$ to $M^{p,\varphi_2}(\Rn)$ and from $VM^{p,\varphi_1}(\Rn)$ to $VM^{p,\varphi_2}(\Rn)$. Meanwhile, the corresponding result for the oscillatory singular integrals with standard Calderón-Zygmund kernel are established.

Tbilisi Mathematical Journal, Vol. 13(1) (2020), pp. 69-82